Arc Of Attrition 2025 Open Tracking. Born in 2015 out from a need to fill a gap in the uk winter trail running calendar the arc of attrition has grown from a single 100 mile race with 54 local competitors, the race. From the coastline near st ives, through godrevy beach, and onwards to the finish at.
The three courses follow parts of the cornish coast. Live gps tracking for arc 50 and arc 100 runners.